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diff --git a/src/tools/clippy/src/docs/rc_buffer.txt b/src/tools/clippy/src/docs/rc_buffer.txt
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--- a/src/tools/clippy/src/docs/rc_buffer.txt
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-### What it does
-Checks for `Rc<T>` and `Arc<T>` when `T` is a mutable buffer type such as `String` or `Vec`.
-
-### Why is this bad?
-Expressions such as `Rc<String>` usually have no advantage over `Rc<str>`, since
-it is larger and involves an extra level of indirection, and doesn't implement `Borrow<str>`.
-
-While mutating a buffer type would still be possible with `Rc::get_mut()`, it only
-works if there are no additional references yet, which usually defeats the purpose of
-enclosing it in a shared ownership type. Instead, additionally wrapping the inner
-type with an interior mutable container (such as `RefCell` or `Mutex`) would normally
-be used.
-
-### Known problems
-This pattern can be desirable to avoid the overhead of a `RefCell` or `Mutex` for
-cases where mutation only happens before there are any additional references.
-
-### Example
-```
-fn foo(interned: Rc<String>) { ... }
-```
-
-Better:
-
-```
-fn foo(interned: Rc<str>) { ... }
-```
-\ No newline at end of file